Description
Heavy-Duty Pickup Builds
Option A
Quick upgrades for big performance without a big price tag.
- Choose Line Pressure Booster Kit
- SmartShell® Heavy Duty Reaction Shell Kit 77749-02K
- Rear Stator Support Bushing 77002BT-01
- 4th Gear Super Hold Servo 77767K
- Heavy Duty 2-3 Shift Valve 77754-41
Option B
Best parts for heavy-duty recalibration and durability.
- Performance Pack HP-4L60E-01
- SmartShell® Heavy Duty Reaction Shell Kit 77749-02K
- Heavy Duty 3-4 Clutch Backing Plate Kit 74140-01K
- Rear Stator Support Bushing 77002BT-01
- 4th Gear Super Hold Servo 77767K
- Heavy Duty 2-3 Shift Valve 77754-41
Level 1 Performance Builds
For lightly modified performance/enthusiast vehicles.
Option A
Upgrades for performance recalibration and durability, no trans removal required. Most change in shift feel comes from the servos.
- Choose Line Pressure Booster Kit
- 4th Gear Super Hold Servo 77767K
- Choose 2nd Gear Servo:
Option B
Best parts for performance recalibration and durability. Most change in shift feel comes from the Performance Pack.
- Performance Pack HP-4L60E-01
- SmartShell® Heavy Duty Reaction Shell Kit 77749-02K
- Heavy Duty 3-4 Clutch Backing Plate Kit 74140-01K
- Rear Stator Support Bushing 77002BT-01
Level 2 Performance Build
For moderately modified performance vehicles (up to 450HP).
Heavy-duty parts and recalibration allow transmissions to endure power levels beyond what a stock transmission is built to handle.
- Performance Pack HP-4L60E-01
- SmartShell® Heavy Duty Reaction Shell Kit 77749-02K
- Heavy Duty 3-4 Clutch Backing Plate Kit 74140-01K
- Rear Stator Support Bushing 77002BT-01
- Heavy Duty 2-3 Shift Valve 77754-41
- 4th Gear Super Hold Servo 77767K
- 2nd Gear “Corvette” Ratio Servo 77701-04K
- Choose Wide Band:
- Input Drum Reinforcement Kit 77733-51K
Level 3 Performance Build
For all extreme performance applications, above 450HP.
Ultimate lineup delivering maximum strength, durability and quick shifts featuring Smart-Tech® parts to ensure these units stay out of the shop.
- Performance Pack HP-4L60E-01
- SmartShell® HD Reaction Shell Kit 77749-02K
- Heavy Duty 2-3 Shift Valve 77754-41
- 4th Gear Super Hold Servo 77767K
- 2nd Gear Super Hold Servo 77911-03K
- Choose Wide Band:
- Choose Smart-Tech® Input Housing & Heavy Duty Input Shaft
- Choose Heavy Duty Output Shaft:
- 2.84 Input Carrier Kit 77284-K
This video breaks down how to transform a 4L60-E, 4L65-E or 4L70-E into a top-tier performance transmission with Sonnax Level 3 build components.